jx:area(lastCell=”H15”)

jx:each(items="dataList2" var="item" lastCell="C8")

jx:each(items="dataList3" var="item" lastCell="C12")

<!-- excel 填充 -->
<dependency>
    <groupId>org.jxls</groupId>
    <artifactId>jxls</artifactId>
    <version>2.8.1</version>
</dependency>
<dependency>
    <groupId>net.sf.jxls</groupId>
    <artifactId>jxls-core</artifactId>
    <version>1.0.6</version>
</dependency>
<dependency>
    <groupId>org.jxls</groupId>
    <artifactId>jxls-poi</artifactId>
    <version>2.8.1</version>
</dependency>

@RequestMapping("/ss")
public void download(HttpServletRequest request,HttpServletResponse response) throws Exception {

    Map<String, Object> map = new HashMap();
    map.put("name1","xiangjiao");
    map.put("age1","10");
    map.put("are1","中國");

    // 報表二
    List<Map<String, Object>> dataList = new ArrayList();
    for (int i = 0; i < 10; i++) {
        Map<String, Object> params = new HashMap<>();
        params.put("name2","1_"+i);
        params.put("age2","xj_"+i);
        params.put("are2",22);
        dataList.add(params);
    }
    // ${item.num}
    map.put("dataList2",dataList);

    // 報表三
    List<Map<String, Object>> dataList3 = new ArrayList();
    for (int i = 0; i < 10; i++) {
        Map<String, Object> params = new HashMap<>();
        params.put("name2","1_"+i);
        params.put("age2","xj_"+i);
        params.put("are2",22);
        dataList3.add(params);
    }
    // ${item.num}
    map.put("dataList3",dataList3);

    export(map,"test.xls","666.xls",response);
}

public static void export(Map<String, Object> dataMap, String reportName,String fileName, HttpServletResponse response) throws IOException {
    Resource resource = new ClassPathResource("/doc" +File.separator+ reportName);
    InputStream in = resource.getInputStream();
    // 這里的context是jxls框架上的context內容
    Context context = PoiTransformer.createInitialContext();
    context.toMap().putAll(dataMap);
    Workbook workbook = WorkbookFactory.create(in);
    // Changing name of the first sheet
    workbook.setSheetName(0, "sheet1");
    PoiTransformer transformer = PoiTransformer.createTransformer(workbook);
    OutputStream out = response.getOutputStream();
    transformer.setOutputStream(out);

    // 文件名 - 解決中文亂碼問題
    String filename = URLEncoder.encode(fileName, "UTF-8");
    // 設置響應編碼
    response.setCharacterEncoding("UTF-8");
    response.setContentType("application/x-download");
    response.setHeader("Content-Disposition", "attachment;filename=" + filename);

    JxlsHelper.getInstance().processTemplate(context, transformer);
    in.close();

    out.flush();
    out.close();
}